package com.fei.springboot.util;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

@Component
public class SpringContextUtil implements ApplicationContextAware
{
    
    private static ApplicationContext applicationContext = null;
    
    @Override
    public void setApplicationContext(ApplicationContext applicationContext)
        throws BeansException
    {
        if (SpringContextUtil.applicationContext == null)
        {
            SpringContextUtil.applicationContext = applicationContext;
        }
        
    }
    
    public static ApplicationContext getApplicationContext()
    {
        return applicationContext;
    }
    
    public static Object getBean(String name)
    {
        return getApplicationContext().getBean(name);
    }
    
    public static <T> T getBean(Class<T> clazz)
    {
        return getApplicationContext().getBean(clazz);
    }
    
}
